Here you are some mythologic creatures we have found ( I'll edit this post if we find any others ).

- Loberno: It's a mix of wolf and fox. Very aggressive, deaf, but capable to see throw walls. Use to unearth corpses to eat.

- Mistolobo: A mixture of wolf and dog. Really big.

- Urco: Big black or white dog, covered in chains, which comes out from sea or rivers.

- Tibicenas: Big woolly black dogs with red eyes that flee from light. Can transform into something similar to humans, because they are magical creatures ( this means we could do them as werewolves ).

- Lobisome: Seventh son of seven male sons. He transforms into a werewolf during San Juan Night. To break the curse, his left leg has to be bleeding before day, or it has to be flayed and his skin must be burned, to make it revive and become a human forever.

- Oricuerno: Twisted horn unicorn, with purple head and little wings on hooves. Aggressive with men. Its horn ( or Oricuerno itself ) can cure any disease or poisoning.

- Saeton: Big serpent with appendices similar to 4 little wings, which can jump long distances.

- Cuélebre: Something similar to a flying dragon which inhabits caves and protect treasures.

- Zezengorri: Red bull which exhale fire ( although it also can be represented with burning tail or horns ). It inhabits caves. There are stories that says it can transform into something similar to a human ( which means we could do something similar to a minotaur ).

- Martinico: Home elf, who do pranks, but also help the owners of the house. Easy anger. It is represented as a midget with a red monk habit.

Cuegle: Powerful little troll with black skin, three arms without hands, five rows of teeth, a horn and from 1 to 3 eyes of different colors.

- Bú: Black humanoid owl with red eyes which kidnap children to eat.

- Paparrasolla: Some sort of hapy ( bird woman ) who inhabits attics and belfries and kidnap children to eat.

- Tragantía: It was a moorish princess who was hidden in a secret chamber by her father when christians attacked, and became a serpent woman by creeping in the dark eating little animals and insects, when her father died and couldn't rescue her.

- Ome Choto: Some sort of satyr ( weregoat ) completely crazy. Able to jump from a boulder toanother as a goat.

- Mano Negra: It is represented in several ways: As a big ghostly hand, as a ghostly claw, as a little devil linked to a hand, as a woman with a big claw... Only thing which is similar to all of them is the fact they all scare or attack mostals ( ripping out their eyes, dragging them to the bottom of a river, pushing them in front of a carriage... ).

- Basajaun: Basque yeti who help shepherds ( by telling them when a storm is coming, finding their forgotten sheeps... ) in exchange for processed products ( bread, cheese, sausages... ).

- Ojáncano: Giant cyclops with long beard and two rows of teeth, who inhabits caves. They eat men, but usually have a band of men who work for them kidnaping victims and in exchange they're not eaten by Ojáncanos.

- Ojáncana: Long hair she-Ogre with fallen boobs ( which she puts on her shoulders when runs ), who kidnap lost children in forest. She's an Ojáncano female, but to breed an old Ojáncano is killed by others of his partners, the corpse is buried under a tree, and some time later ( nine months ) some big yellow worms come out from corpse. Those worms are breastfeeded by Ojáncanas, with blood coming from their boobs, and in some time they become new Ojáncanos or Ojáncanas.

- Santa Compaña: Procession of spirits which visits those houses where someone is about to die. In front of procession there is a man alive with a cross and a vial of sacred water. After him there is Estaeda ( some sort of powerful spirit ) and finally there are two rows of spirits wearing white habits and candles.

These are awesome! Often real world myths have that certain crazy and raw that is missing from most modern fantasy depictions.

Sergus escribió:- Urco: Big black or white dog, covered in chains, which comes out from sea or rivers.

This is probably my favourite - a very cool monster!

- Ojáncana: Long hair she-Ogre with fallen boobs ( which she puts on her shoulders when runs ), who kidnap lost children in forest. She's an Ojáncano female, but to breed an old Ojáncano is killed by others of his partners, the corpse is buried under a tree, and some time later ( nine months ) some big yellow worms come out from corpse. Those worms are breastfeeded by Ojáncanas, with blood coming from their boobs, and in some time they become new Ojáncanos or Ojáncanas.